Simplicity AGCO Allis 400 Series, Service & Repair Manual

Page: 53 / 136

5 Electrical Troubleshooting
Seat Switch / Clutch / Brake Switch Tests
5 - 14
Figure 28. Test Clutch / Brake Switch (Mechanical)
C. Test Seat Switch - Electrical (All Models)
NOTE: On later models the seat switch is mounted in the
seat.
1. Raise the seat deck and disconnect the harness plug.
2. Set VOM to Ohms.
3. Connect probes to seat switch terminals. The VOM
should read no continuity.
4. Depress seat switch. The meter should show conti-
nuity.
D. Test Clutch / Brake Interlock Switch -
Mechanical (Hydro Models Only)
1. Release the parking brake.
2. Check the clutch / brake switch. The switch button
should not be depressed.
3. Set the parking brake.
4. Check the clutch / brake switch. The switch button
should be depressed.
E. Test Clutch / Brake Interlock Switch -
Electrical (Hydro Models Only)
1. Release the parking brake.
2. Remove the plug from the clutch/brake pedal inter-
lock switch.
3. Set the VOM to Ohms and probe the terminals of the
switch. It should read no continuity.
4. Set the parking brake. The VOM should show conti-
nuity.
Clutch /
Brake
Switch
Figure 27. Seat Switch Location
A. Seat Switch
Early Model Seat
Switch Location
A
Figure 29. Test Clutch / Brake Switch (Electrical)
Clutch /
Brake
Switch